ASRock ATX DDR4 Motherboard X99 EXTREME3 LGA 2011-v3 Chipset: Intel X99 Memory: 4x DDR4-3000+(OC)/ 2933+(OC)/ 2800(OC)/ 2400(OC)/ 2133/ 1866/ 1600/ 1333/ 1066,Quad-Channel, Non-ECC, Unbuffered, Max Capacity up to 64GB Slots: 2x PCI-Express 3.0 x16 Slots, 1x PCI-Express 2.0 x16 Slot (runs at x4), 1x PCI-Express 2.0 x1 Slot SATA: 10x SATA3 Ports, Support RAID 0, 1, 5, 10 &Intel Rapid Storage 13 Ports: 6x USB 3.0 Ports (4 rear, 2 via header); 8x USB 2.0 Ports (4 rear, 4 via headers); 1x PS/2 Mouse Port, 1x PS/2 Keyboard Port, 1x Optical S/PDIF Out, 1x RJ45 LAN Ports,Audio I/O Jacks